[OSM-dev] Osmosis Output Error

Brett Henderson brett at bretth.com
Wed Dec 10 04:05:34 GMT 2008

Andrew Ayre wrote:
> Brett Henderson wrote:
>> Andrew Ayre wrote:
>>> Brett Henderson wrote:
>>>> I had a quick play and think I've found the problem.
>>>> Firstly, when you receive an error in osmosis, look further down 
>>>> the stack trace.  The real reason is almost always in there 
>>>> somewhere.  Osmosis is multi-threaded so it is difficult to have 
>>>> the real reason show up at the start of the error message.  In your 
>>>> case the first bit of error was from the input xml readers 
>>>> detecting that the merge task had aborted.  The merge task output 
>>>> was further down the error messages.
>>>> In this case there were two problems:
>>>> 1. The data was unsorted.
>>>> 2. Some data doesn't appear to have dates attached (I haven't found 
>>>> the offending entry yet).
>>>> This command line works:
>>>> osmosis --rx tile.63255095.osm.gz enableDateParsing=false --sort 
>>>> --rx eletile.63255095.osm.gz enableDateParsing=false --sort --merge 
>>>> --wx out.osm.gz
>>>> It sorts all data before the merge, and ignores all dates in the 
>>>> input data (replacing them with current system time).  This is a 
>>>> bit of a kludge, ideally the data itself should be fixed to include 
>>>> the correct dates but hopefully it points you in the right direction.
>>> I have just noticed that in all the merged files the closing </osm> 
>>> tag is missing. The file just stops. Could there be also missing 
>>> data from the file as well?
>> When I merge your two files, the output file has a closing osm tag.  
>> Did osmosis complete successfully?  It should have thrown an 
>> exception if something went wrong.
>> I'm using a slightly older osmosis (one already installed on my 
>> laptop), so perhaps something is different.  I'll test with an up to 
>> date version later to make sure.
> Yes, it completed with no errors. I ran this on 21 pairs of tiles. I 
> randomly checked seven of the merged tiles and they were all missing 
> the closing tag.
I've run it with the latest osmosis without any problems.  The closing 
tag is there.  Can you provide me with sample data and the exact command 
line you're using?  Preferably using the two files you provided before 
if you can get them to fail.


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